why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?
1 3226how to calculate Amp, 2 different Amp of batteries? Example: No. of Batteries = 2 Battery voltage = 12V 1st Battery rating = 17AH 2nd battery rating = 30AH between parallel connection then output volt 12v Amp?
2 4485For 6600/433 distribution transformer we apply secondary side 433 volts how much voltage in primary side.
2 4032whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?
1 2749how could we findout the lightning arrester failed or not in live circuit? Is there any instrument to measure the high voltage at the time of sky lighting?
1 3255Post New Electrical Engineering Questions
I completed my BE EEE degree 2006 .... which license should i apply .... ?????
how to calculate the mesh earth network resistance in such substation, is there any recommended resistance values with references , thanks!
what do u understand from filter factor of reactor?
what is the value of combined earthing in general electrical circiut?
Why we use auxillary relay ? what is function of differential relay, directional o/c relay?
What is the difference IN MCCB's between thermal magnetic and electronic tripping system ?
Differnce between negative Pahse SequenceFunction and unbalance Function?
why we get 2 differnet values for power factor in 2 watt meter method in 3 phase
what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?
WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?
why industry prefer ht motor instead of lt motor.
what is magnetizing current test in power transformer
is it value of power factor is more than unit. whats effects in the source supply
When can we take Neutral as common neutral link?
Explain about Leakage Test.
